Home / 117,248.29-161,794.95-74,802.25

Finding the Fourth Proportional to 117,248.29, 161,794.95 and 74,802.25

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Solution

The fourth proportional to 117,248.29, 161,794.95 and 74,802.25 is: 103,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,248.29 : 161,794.95 = 74,802.25 : x
  2. Step 2: Convert to fraction form
    117,248.29/161,794.95 = 74,802.25/x
  3. Step 3: Cross multiply
    117,248.29x = 161,794.95 × 74,802.25
  4. Step 4: Simplify right side
    117,248.29x = 12,102,626,298.64
  5. Step 5: Solve for x
    x = 12,102,626,298.64/117,248.29
  6. Step 6: Final answer
    x = 103,222.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.